Brakes
You do not need the upper control arms, the upper ball joints were the same from '63-'72. You will need '66-'72 disc brake lower ball joints. You will also need the spindle to ball joint bolts off the Duster. The 9" brake ball joints got a bad rap because they used 7/16" spindle bolts instead of 1/2". The '70 Duster master will work well, but see if you can get the proportioning valve from the car too. If not, use an aftermarket one as suggested. '66-'72 disc brake hoses should finish things up and have you on the road. I personally went with '73-'76 brakes because of parts availability.